''Certhiaxis'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

Neotropical The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeogra ...

birds in the ovenbird family Furnariidae.

Taxonomy

The genus ''Certhiaxis'' was introduced in 1844 by the French naturalist

René Lesson René Primevère Lesson (20 March 1794 – 28 April 1849) was a French surgery, surgeon, natural history, naturalist, ornithologist, and herpetologist. Biography Lesson was born at Rochefort, Charente-Maritime, Rochefort, and entered the Naval ...

with the yellow-chinned spinetail as the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

. The name is a combination of the genus ''

Certhia '' Certhia '' is the genus of birds containing the typical treecreepers, which makes up the family Certhiidae. The typical treecreepers occur in many wooded parts of the North Temperate Zone. They do not normally migrate other than for local m ...

'' that was introduced by

Carl Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

in 1758 for the treecreepers and the genus ''

Synallaxis ''Synallaxis'' is a genus of birds in the Ovenbird (family), ovenbird family, Furnariidae. It is one of the most diverse genera in the family and is composed of small birds that inhabit dense undergrowth across tropical and subtropical habitats ...

'' that was introduced by

Louis Pierre Vieillot Louis Pierre Vieillot (10 May 1748, Yvetot – 24 August 1830, Sotteville-lès-Rouen) was a French ornithologist. Vieillot is the author of the first scientific descriptions and Linnaean names of a number of birds, including species he collected ...

in 1818 for the spinetails. The genus contains two species:

References

Bird genera Taxa named by René Lesson Taxonomy articles created by Polbot {{Furnariidae-stub